136713517 has 2 divisors, whose sum is σ = 136713518. Its totient is φ = 136713516.

The previous prime is 136713509. The next prime is 136713527. The reversal of 136713517 is 715317631.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 124679556 + 12033961 = 11166^2 + 3469^2 .

It is a cyclic number.

It is not a de Polignac number, because 136713517 - 2³ = 136713509 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (136713527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68356758 + 68356759.

It is an arithmetic number, because the mean of its divisors is an integer number (68356759).

Almost surely, 2^136713517 is an apocalyptic number.

It is an amenable number.

136713517 is a deficient number, since it is larger than the sum of its proper divisors (1).

136713517 is an equidigital number, since it uses as much as digits as its factorization.

136713517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13230, while the sum is 34.

The square root of 136713517 is about 11692.4555590346. The cubic root of 136713517 is about 515.1540896879.

It can be divided in two parts, 1367 and 13517, that added together give a square (14884 = 122²).

The spelling of 136713517 in words is "one hundred thirty-six million, seven hundred thirteen thousand, five hundred seventeen".